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Sony ICF-C793 User Manual

Sony ICF-C793
35 pages
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MICROFILM
SERVICE MANUAL
ICF-C793
FM/AM PLL SYNTHESIZED CLOCK RADIO
ICF-C793L
FM/MW/LW PLL SYNTHESIZED CLOCK RADIO
US Model
Canadian Model
Australian Model
ICF-C793
AEP Model
ICF-C793/C793L
UK Model
ICF-C793L
SPECIFICATIONS
ICF-C793/C793L
Photo: ICF-C793L
Ver 1.0 1999. 02
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Sony ICF-C793 Specifications

General IconGeneral
BrandSony
ModelICF-C793
CategoryClock Radio
TypeDigital
Display TypeLCD
Radio TunerAnalog
Radio BandAM/FM
Alarm FeaturesDual Alarm
Power SourceAC Adapter
Battery BackupYes
Snooze FunctionYes
Sleep TimerYes
Alarm FunctionsRadio, Buzzer

Summary

Product Specifications

Speaker, Power, and Dimensions

Details on speaker, power output, requirements, and dimensions.

Mass Information

Weight specifications for the unit.

Safety and Maintenance

AC Leakage Test Procedure

Steps to perform an AC electrical leakage test for safety.

Critical Component Warning

Warning about safety-critical components and replacement parts.

Ceramic Filter Replacement Guide

Instructions for replacing ceramic filters CF2 and CF3.

General Information and Setup

Location of Controls

Identification and location of all controls on the unit.

Key Product Features

Overview of the main functionalities and features of the device.

Setting the Clock

Step-by-step instructions for setting the clock and date.

Radio Operation and Timers

Tuning and Station Presets

Guide to tuning radio stations and setting presets.

Alarm and Snooze Functions

How to set, activate, and use the radio/buzzer alarms and snooze feature.

Sleep Timer Operation

Instructions for using the sleep timer function.

Disassembly Procedures

Chassis Assembly and Disassembly

Steps for disassembling the main chassis assembly.

Power Cord Setting

Procedure for routing and installing the power cord.

Electrical Adjustments

FM Band Adjustments

Procedures for FM VCO and tracking adjustments.

AM/MW Band Adjustments

Procedures for AM/MW VCO and tracking adjustments.

LW Band and AM IF Adjustments

Procedures for LW VCO/tracking and AM IF adjustments.

Technical Diagrams

Block Diagram

High-level functional block diagram of the unit.

Circuit Board Layouts

Printed Wiring Boards (Suffix-11)

Layout diagrams for printed wiring boards (Suffix-11).

Circuit Schematics

Schematic Diagram

Detailed schematic of the unit's electronic circuits.

IC Block Diagrams and Waveforms

Block diagrams for ICs and associated signal waveforms.

Integrated Circuit Details

IC Pin Function Description

Detailed pin function descriptions for integrated circuits.

Exploded Views

Cabinet Section

Exploded view of the unit's cabinet and external parts.

Component Assembly Views

Chassis Section

Exploded view of the unit's chassis and internal components.

Electrical Parts List

Alarm Key and Main Board Parts

List of electrical components for alarm key and main boards.

Component Parts Inventory

Main Key Board Parts

List of electrical components for the main key board.

Additional Component Listings

Transformer, Miscellaneous, and Accessories

Lists transformer parts, miscellaneous items, and accessories.

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